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Sharing new horizons since 1997

Independent Consultants in Natural Resource Management, Inc. (CRN) has 25 years of experience in engineering and consulting in mining, environmental and hydrogeology. It has a team of more than 10 professionals with extensive experience in mineral resources and deposits, environment, geology, geotechnics and the water cycle, in which they apply the most current methods and technologies within a Quality Assurance System.


We offer a wide range of specialized services to the earth and water resources industries, covering the entire project lifecycle from early-stage exploration, through development, operations, restoration, and closure.

About Us

INDEPENDENT CONSULTANTS IN NATURAL RESOURCE MANAGEMENT, S.A. (CRN) is a company established in 1997 by a group of highly experienced professionals, with the aim of providing independent engineering and consultancy services to its clients in fields related to subsurface resources and Earth Sciences. The company applies the most current methods and technologies within a Quality Assurance System.

Latest News


CRN participated in the leading environmental technology fair IFAT Munich 2024. CONSULTORES INDEPENDIENTES EN GESTIÓN DE RECURSOS NATURALES, S.A. (CRN) participated in the international mission of the…

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We visited CONEIA 2024

It celebrated its 12th edition in Vitoria-Gasteiz CRN has been present at the XII edition of the National Congress on Environmental Impact Assessment – CONEIA 2024 organized by the Spanish Assoc…

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UR DATA Proyect – Bizkaia Water

Efficient water management in Bizkaia On March 19th, as part of the «Digitalization and Efficient Water Management Model in Bizkaia» conference, our colleague Maider Ledesma, Geologist and Project Man…

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Digitalization of Water Conference

Digitalization of Water Conference CRN Consultants participated as a speaker at the water digitalization conference held on Friday, July 15th, co-organized by the Bilbao Bizkaia Water Consortium along…

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+34 915 533 726

Central Office

Av. Alberto de Alcocer 46B, 11ªE – 28016 Madrid – Spain

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